from what i gather its alot better than stock , the tunique is getting high raves for air cooling but scarce. Ill run mine with the stock 1 for a few weeks then get a better cooler for overclocking.
My experience with fans , 120 mm's do the best job not as noisey , preferebly ones with fan speed control options able to connect to the mb and be monitored by the MB.
I have an antec P160 case that runs extremely cool for only 2 120mm fans in front and rear
Thermaltake Armor A90
Corsair HX1000W PS
i7 2600k / Cooler Master Hyper N 520
Asus P8Z68-V Pro / Gen 3
8 GIG Corsair Vengeance
eVGA GTX 570
SB Audigy2 Platinum
Kingston Hyper X120 SSD
WIN 7 - 64b
LG Blue Ray Super Multi Burrner
Logitech THX Z560
3x120mm - 1x200 mm case fans